Conditions Treated by Dr. John D. Mast, MD

• Abdominal Pain
• Anal Fissure
• Anorectal Abscess
• Appendicitis
• Atelectasis
• Breast Cancer
• Breast Lump
• Cerebrospinal Fluid Leak (CSF Leak)
• Cholecystitis and Gallstones
• Collapsed Lung (Pneumothorax)
• Colorectal Cancer
• Diaphragmatic and-or Hiatal Hernia
• Hemorrhoids
• Incisional Hernia
• Inguinal Hernia
• Intestinal Obstruction
• Lipomas
• Liver Cancer
• Lung Cancer
• Peripheral Vascular Disease (PAD, PVD)
• Phlebitis and Thrombophlebitis
• Pyloric Stenosis
• Secondary Malignancies
• Soft Tissue Sarcoma
• Stomach and Small Intestine Cancer
• Thyroid Cancer
• Umbilical Hernia
• Varicose Veins
• Ventral Hernia